发明名称 CONSTRUCTION METHOD FOR CONCRETE PILE, CASING TUBE, CASING, AND CONCRETE PILE
摘要 PROBLEM TO BE SOLVED: To provide a construction method for a concrete pile for excavating the ground while preventing collapse of a hole wall to hold required cross section of the pile and dispense with recovery of a casing and to provide a casing tube, the casing, and the concrete pile used in this method. SOLUTION: This construction method for the cast-in-place concrete pile comprises a process for pressing the casing tube 12a made of biodegradable plastic of a hollow cylinder into the ground and excavating the inside of the casing tube to form a excavated hole in which the casing is inserted and a process for placing concrete in the casing. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2006274745(A) 申请公布日期 2006.10.12
申请号 JP20050098720 申请日期 2005.03.30
申请人 NISHIMATSU CONSTR CO LTD 发明人 TAKEUCHI YOSHIO;ARAI TOSHIAKI
分类号 E02D5/34;E21B7/20 主分类号 E02D5/34
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